131253245140 has 12 divisors (see below), whose sum is σ = 275631814836. Its totient is φ = 52501298048.

The previous prime is 131253245093. The next prime is 131253245141. The reversal of 131253245140 is 41542352131.

It can be written as a sum of positive squares in 2 ways, for example, as 71710412944 + 59542832196 = 267788^2 + 244014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131253245141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3281331109 + ... + 3281331148.

It is an arithmetic number, because the mean of its divisors is an integer number (22969317903).

Almost surely, 2^131253245140 is an apocalyptic number.

131253245140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131253245140 is an abundant number, since it is smaller than the sum of its proper divisors (144378569696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131253245140 is a wasteful number, since it uses less digits than its factorization.

131253245140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562662266 (or 6562662264 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 131253245140 its reverse (41542352131), we get a palindrome (172795597271).

The spelling of 131253245140 in words is "one hundred thirty-one billion, two hundred fifty-three million, two hundred forty-five thousand, one hundred forty".